A lighting modifier that diffuses by means of two reflectors: One directly in front of the light tube and one around the light tube. The portion reflects light back into the rear portion so that no direct light escapes.

The amount by which the red- and blue-channel components of the image are displaced from their “correct” position due to lens characteristics; results in color fringes where light and dark areas of an image meet.

This image defect that is especially pronounced in certain zoom lenses.

A style of nude typically seen in Playboy publications; used as a common way to explain the degree of explicit nudity required. Means non-pornographic nude work. This term is sometimes used to distinguish softcore nudity from harder core styles found in other magazines such as Hustler Magazine or Penthouse Magazine.